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Hoochie [10]
2 years ago
13

What is the answers to this quesition

Biology
1 answer:
Natalija [7]2 years ago
5 0

Answer:

where is the question ugh ??????

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A possible reaction for the degradation of the pesticide DDT to a less harmful compound was simulated in the laboratory. The rea
Bas_tet [7]

Answer:

This exercise is incomplete, missing the value of k (decay constant), which is equal to 4x10⁻⁸s⁻¹ at 25°C

The answer is 0.549 years

Explanation:

Given:

first order of reaction

k = 4x10⁻⁸s⁻¹

For a first order of reaction, the half-life time for the degradation of DDT is equal to:

t=\frac{0.693}{k} =\frac{0.693}{4x10^{-8} } =17325000s=0.549years

8 0
3 years ago
A producer gets energy from _______ and converts it into food. a.Primary consumers b.The sun c.Nonliving organic matter d.Second
vekshin1
The answer is going to be B. The sun
8 0
2 years ago
Match the characteristics to the blood vessels.
Darina [25.2K]

Answer:

Arteries transport blood away to the different parts of the body from the heart. Arteries are the largest blood vessels in the whole body with elastic walls.  

Hence arteries match with carries blood away from the heart and largest blood vessel in diameter

Capillaries take blood from various parts of the body. It exchanges nutrients, oxygen, and waste with tissues or cells. These are the smallest blood vessels.

Hence capillary matches with exchanges nutrients with tissues and single walled.  

Veins transport the blood to the heart from the body. These vessels have a thin endothelial layer.  

Hence Vein matches with carries blood to the heart and has a thin endothelial layer.

5 0
3 years ago
Which substance should have the highest pH? distilled water lemon juice bathroom cleaner vinegar
dimulka [17.4K]
Bathroom cleaner would have the highest pH because it is an alkaline substance (pH more than 7) whereas distilled water is around pH 7 and lemon juice and vinegar are acids (pH less than 7).

Hope this helps!
8 0
2 years ago
Cardiac muscle cells have a higher concentration of mitochondria than
timofeeve [1]

cardiac muscle require lot of energy to perform while skeletal muscle are used in coordinate of bone moments so they require less energy since mitochondria is powerhouse cell so it is highly concentrated in cardiac muscle...

8 0
3 years ago
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